2015年职称英语考试理工类B级完形填空(3)
<p> <span word="Wonder">Wonder</span> <span word="Webs">Webs</span></p><p> <span word="Spider">Spider</span> <span word="webs">webs</span> <span word="are">are</span> <span word="more">more</span> <span word="than">than</span> <span word="homes">homes</span>， <span word="and">and</span> <span word="they">they</span> <span word="are">are</span> <span word="ingenious">ingenious</span> <span word="traps">traps</span>. <span word="And">And</span> <span word="the">the</span> <span word="worlds">worlds</span> <span word="best">best</span> <span word="web">web</span> <span word="spinner">spinner</span> <span word="may">may</span> <span word="be">be</span> <span word="the">the</span> <span word="Goldern">Goldern</span> <span word="Orb">Orb</span> <span word="Weaver">Weaver</span> <span word="spider">spider</span>. <span word="The">The</span> <span word="female">female</span> <span word="Orb">Orb</span> <span word="Weaver">Weaver</span> <span word="spins">spins</span> <span word="a">a</span> <span word="web">web</span> <span word="of">of</span> <span word="fibers">fibers</span> <span word="thin">thin</span> <span word="enough">enough</span> <span word="to">to</span> <span word="be">be</span> <span word="invisible">invisible</span> <span word="to">to</span> <span word="insect">insect</span> <span word="prt">prt</span>， <span word="yet">yet</span> _____1____ <span word="enough">enough</span> <span word="to">to</span> <span word="snare">snare</span> <span word="a">a</span> <span word="flying">flying</span> <span word="bird">bird</span> <span word="without">without</span> <span word="breaking">breaking</span>.</p><p> <span word="The">The</span> <span word="secret">secret</span> <span word="of">of</span> <span word="the">the</span> <span word="webs">webs</span> <span word="strength">strength</span>? <span word="A">A</span> <span word="type">type</span> <span word="of">of</span> <span word="super">super</span>-<span word="resilient">resilient</span> ____2____ <span word="called">called</span> <span word="dragline">dragline</span>. <span word="When">When</span> <span word="the">the</span> <span word="female">female</span> <span word="spider">spider</span> <span word="is">is</span> <span word="ready">ready</span> <span word="to">to</span> ____3_____ <span word="the">the</span> <span word="webs">webs</span> <span word="spokes">spokes</span> <span word="and">and</span> <span word="frame">frame</span>， <span word="she">she</span> <span word="uses">uses</span> <span word="her">her</span> <span word="legs">legs</span> <span word="to">to</span> <span word="draw">draw</span> <span word="the">the</span> <span word="airy">airy</span> <span word="thread">thread</span> <span word="out">out</span> <span word="through">through</span> <span word="a">a</span> <span word="hollow">hollow</span> <span word="nozzle">nozzle</span> <span word="in">in</span> <span word="her">her</span> <span word="belly">belly</span>. <span word="Dragline">Dragline</span> <span word="is">is</span> <span word="not">not</span> <span word="sticky">sticky</span>， <span word="so">so</span> <span word="the">the</span> <span word="spider">spider</span> <span word="can">can</span> <span word="race">race</span> <span word="back">back</span> <span word="and">and</span> <span word="forth">forth</span> <span word="along">along</span> ____4___ <span word="to">to</span> <span word="spin">spin</span> <span word="the">the</span> <span word="webs">webs</span> <span word="trademark">trademark</span> <span word="spiral">spiral</span>.</p><p> <span word="Unlike">Unlike</span> <span word="some">some</span> <span word="spiders">spiders</span> <span word="that">that</span> <span word="weave">weave</span> <span word="a">a</span> <span word="new">new</span> <span word="web">web</span> <span word="every">every</span> <span word="day">day</span>， <span word="a">a</span> <span word="Golden">Golden</span> <span word="Orb">Orb</span> <span word="Weaver">Weaver</span> _____5_____ <span word="her">her</span> <span word="handiwork">handiwork</span> <span word="until">until</span> <span word="it">it</span> <span word="falls">falls</span> <span word="apart">apart</span>， <span word="sometimes">sometimes</span> <span word="not">not</span> <span word="for">for</span> <span word="two">two</span> <span word="years">years</span>1. <span word="The">The</span> <span word="silky">silky</span> <span word="thread">thread</span> <span word="is">is</span> <span word="five">five</span> <span word="times">times</span> <span word="stronger">stronger</span> <span word="than">than</span> <span word="steel">steel</span> <span word="by">by</span> <span word="weight">weight</span> <span word="and">and</span> <span word="absorbs">absorbs</span> <span word="the">the</span> <span word="force">force</span> <span word="of">of</span> <span word="an">an</span> <span word="impact">impact</span> <span word="three">three</span> <span word="times">times</span> <span word="better">better</span> <span word="than">than</span> <span word="Kevlar">Kevlar</span>， <span word="a">a</span> <span word="high">high</span>-<span word="strength">strength</span> <span word="human">human</span>-<span word="made">made</span> ____6____ <span word="used">used</span> <span word="in">in</span> <span word="bullet">bullet</span>-<span word="proof">proof</span> <span word="vests">vests</span>. <span word="And">And</span> <span word="thanks">thanks</span> <span word="to">to</span> <span word="its">its</span> <span word="high">high</span> <span word="tensile">tensile</span> <span word="strength">strength</span>， <span word="or">or</span> <span word="the">the</span> <span word="ability">ability</span> <span word="to">to</span> <span word="resist">resist</span> <span word="breaking">breaking</span> <span word="under">under</span> <span word="the">the</span> <span word="pulling">pulling</span> <span word="force">force</span> <span word="called">called</span> <span word="tension">tension</span>， <span word="a">a</span> <span word="single">single</span> <span word="strand">strand</span> <span word="can">can</span> <span word="stretch">stretch</span> <span word="up">up</span> <span word="to">to</span> 40 <span word="percent">percent</span> <span word="longer">longer</span> <span word="than">than</span> <span word="its">its</span> <span word="original">original</span> _____7____ <span word="and">and</span> <span word="snap">snap</span> <span word="back">back</span> <span word="as">as</span> <span word="well">well</span> <span word="as">as</span> <span word="new">new</span>. <span word="No">No</span> <span word="human">human</span>-<span word="made">made</span> <span word="fiber">fiber</span> <span word="even">even</span> <span word="comes">comes</span> ____8____.</p><p> <span word="It">It</span> <span word="is">is</span> <span word="no">no</span> ____9____ <span word="manufacturers">manufacturers</span> <span word="are">are</span> <span word="clamoring">clamoring</span> <span word="for">for</span> <span word="spider">spider</span> <span word="silk">silk</span>. <span word="In">In</span> <span word="the">the</span> <span word="consumer">consumer</span> <span word="pipeline">pipeline</span>： <span word="high">high</span>-<span word="performance">performance</span> <span word="fabrics">fabrics</span> <span word="for">for</span> <span word="athletes">athletes</span> <span word="and">and</span> <span word="stockings">stockings</span> <span word="that">that</span> <span word="never">never</span> <span word="run">run</span>2. <span word="Think">Think</span> <span word="parachute">parachute</span> <span word="cords">cords</span> <span word="and">and</span> <span word="suspension">suspension</span> <span word="bridge">bridge</span> <span word="cables">cables</span>. <span word="A">A</span> <span word="steady">steady</span> _____10_____ <span word="of">of</span> <span word="spider">spider</span> <span word="silk">silk</span> <span word="would">would</span> <span word="be">be</span> <span word="worth">worth</span> <span word="billions">billions</span> <span word="of">of</span> <span word="dollarsbut">dollarsbut</span> <span word="how">how</span> <span word="to">to</span> <span word="produce">produce</span> <span word="it">it</span>? <span word="Harvesting">Harvesting</span> <span word="silk">silk</span> <span word="on">on</span> <span word="spider">spider</span> <span word="farms">farms</span> <span word="does">does</span> <span word="not">not</span> ____11_____ <span word="because">because</span> <span word="the">the</span> <span word="territorial">territorial</span> <span word="arthropods">arthropods</span> <span word="have">have</span> <span word="a">a</span> <span word="tendency">tendency</span> <span word="to">to</span> <span word="devour">devour</span> <span word="their">their</span> <span word="neighbors">neighbors</span>.</p>
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